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Message-ID: <20170106050827.GC690@yexl-desktop>
Date: Fri, 6 Jan 2017 13:08:27 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Jesper Dangaard Brouer <brouer@...hat.com>
Cc: linux-mm@...ck.org, Alexander Duyck <alexander.duyck@...il.com>,
willemdebruijn.kernel@...il.com, netdev@...r.kernel.org,
john.fastabend@...il.com, Saeed Mahameed <saeedm@...lanox.com>,
Jesper Dangaard Brouer <brouer@...hat.com>,
bjorn.topel@...el.com,
Alexei Starovoitov <alexei.starovoitov@...il.com>,
Tariq Toukan <tariqt@...lanox.com>, lkp@...org
Subject: [lkp-developer] [page_pool] 50a8fe7622: kernel_BUG_at_mm/slub.c
FYI, we noticed the following commit:
commit: 50a8fe7622e6c45af778d91f83c11491f0afaaf3 ("page_pool: basic implementation of page_pool")
url: https://github.com/0day-ci/linux/commits/Jesper-Dangaard-Brouer/page_pool-proof-of-concept-early-code/20161221-014200
base: git://git.cmpxchg.org/linux-mmotm.git master
in testcase: trinity
with following parameters:
runtime: 300s
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-i386 -enable-kvm -smp 2 -m 320M
caused below changes:
+------------------------------------------+------------+------------+
| | 03fc8354e2 | 50a8fe7622 |
+------------------------------------------+------------+------------+
| boot_successes | 6 | 0 |
| boot_failures | 0 | 4 |
| kernel_BUG_at_mm/slub.c | 0 | 4 |
| invalid_opcode:#[##]SMP_DEBUG_PAGEALLOC | 0 | 4 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 4 |
+------------------------------------------+------------+------------+
[ 0.000000] .text : 0xc1000000 - 0xc188d0b7 (8756 kB)
[ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok.
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] kernel BUG at mm/slub.c:349!
[ 0.000000] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.9.0-mm1-00096-g50a8fe7 #1
[ 0.000000] task: c1d4ea80 task.stack: c1d46000
[ 0.000000] EIP: get_partial_node+0x148/0x330
[ 0.000000] EFLAGS: 00210046 CPU: 0
[ 0.000000] EAX: 00200082 EBX: d2d38000 ECX: 00000000 EDX: d2400010
[ 0.000000] ESI: c1e3ef80 EDI: d2400000 EBP: c1d47e50 ESP: c1d47dc0
[ 0.000000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 0.000000] CR0: 80050033 CR2: ffbff000 CR3: 01e76000 CR4: 000006b0
[ 0.000000] Call Trace:
[ 0.000000] ? add_lock_to_list+0x7e/0xa7
[ 0.000000] ? __lock_acquire+0x103a/0x1326
[ 0.000000] ___slab_alloc+0x238/0x378
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
Thanks,
Xiaolong
View attachment "config-4.9.0-mm1-00096-g50a8fe7" of type "text/plain" (130550 bytes)
View attachment "job-script" of type "text/plain" (3752 bytes)
Download attachment "dmesg.xz" of type "application/octet-stream" (4296 bytes)
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